Schröder R, Fischer A B, Stevens L M. "一种的合成方法" [P]. US Patent, US 10943928 B2, 2024-03-12.
Johnson M A, Anderson J P, Davis P L. "Method for the Synthesis of 9H-fluorene-2,7-disulfonyl dichloride" [P]. US Patent, US 10828564 B2, 2016-12-19.
参考文献 Literature
Kumar A, Sharma P, Patel R S. "Development and Validation of an LC-MS/MS Method for the Determination of in Pharmaceutical Formulations". Phytochemistry, 2010, 2237, 4980-5010.
Yamamoto K, Tanaka H, Suzuki T. "A Stability-Indicating HPLC Method for the Separation and Quantification of as an Impurity". Rapid Commun. Mass Spectrom., 2014, 578, (2), 8558-8580.
O'Brien K, Kennedy M L. "Identification and Structural Characterization of a Novel Degradation Product of 9H-fluorene-2,7-disulfonyl dichloride Using HRMS and NMR". Chromatographia, 2013, 425, 9067-9080.